Struct PatternGuardRule 

pub struct PatternGuardRule {
    pub pattern_name: String,
    pub guard_fn: Box<dyn Fn(&(dyn Any + 'static)) -> Result<bool, SklearsError> + Sync + Send>,
    pub error_message: String,
    pub destructure_fn: Option<Box<dyn Fn(&(dyn Any + 'static)) -> Result<ValidationResult, SklearsError> + Sync + Send>>,
}

Pattern guard rule for advanced validation with custom matching

Fields

pattern_name: String

Name of the pattern for error reporting

guard_fn: Box<dyn Fn(&(dyn Any + 'static)) -> Result<bool, SklearsError> + Sync + Send>

Function that performs the pattern matching and validation

error_message: String

Error message when the pattern doesn’t match

destructure_fn: Option<Box<dyn Fn(&(dyn Any + 'static)) -> Result<ValidationResult, SklearsError> + Sync + Send>>

Optional structured destructuring validator

Trait Implementations

impl Clone for PatternGuardRule

fn clone(&self) -> PatternGuardRule

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PatternGuardRule

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.